Category: Name: Result:
1, see the picture for solution. (8 points)
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( 1) (2)
2. Ask questions according to the following conditions and list the corresponding formulas. (12)
A story book has 200 pages. Xiao Xia read 15% of the total pages on the first day and 10% of the total pages on the second day.
( 1) ? Column type:
(2) ? Column type:
(3) ? Column type:
(4) ? Column type:
3. Select the appropriate conditional connection according to the formula. (8 points)
In the sixth grade, 36 people participated in the science and technology group, and how many people participated in the literature and art group?
36. The number of people participating in the art group belongs to the science and technology group.
The number of people participating in the art group is less than that of the science and technology group.
36-36× less than the number of literary and art groups.
36 ÷ (1-) accounts for the number of literary groups.
4. Unity primary school boys 3 10, more than girls 15. What percentage of boys are more than girls? (10)
5, a cuboid, 24 cm long, high and long, and wide at the same time. What is the volume of this cuboid? (10)
6. A passenger ship and a cargo ship leave from two docks at the same time. The passenger ship completed the journey and the cargo ship walked 36 kilometers. When the passenger ship arrived at Terminal A, the freighter had already finished the whole journey. How many kilometers are the two docks apart? (10)
7. The store brought some strawberries, which were sold by 30% in the morning and 18kg in the afternoon. At this time, the ratio of strawberries sold to the remaining strawberries is 3: 4. How many kilograms are still unsold? ( 10)
8. Xiaohong read a 200-page story book. She read the book eight days ago. According to this calculation, how many days will it take to finish reading the rest? (Answer in at least three ways) (12 points)
9. There is a commodity in the shop, the cost price is 60 yuan, and the original price is 100 yuan. On the basis of ensuring that the shopkeeper has a profit rate of 20% (which can be higher), please design a promotion plan (indicating the actual selling price of this commodity) to help the shopkeeper sell this commodity as soon as possible. It is best to write more than two design cases. (The shopkeeper has prepared some small promotional gifts for the designer at a unit price of 10 yuan. )
10. Three fish ponds will be built in the village, and 40,000 yuan will be borrowed from the bank in the form of loans. Two years later, the fish farm began to sell fish, and with income, the loan was paid off. There are two ways to repay the loan:
(1) After three years, pay off 40,000 yuan in one lump sum, but pay 5% interest. * * * How much do I need to repay?
(2) Repay 10000 yuan every year after two years, and pay it off in four years, with interest of 3%, 5% and 5 in turn. 5%。 6%。
The interest for the first repayment is RMB (), and the repayment is RMB ().
The interest for the second repayment is RMB (), and the repayment is RMB ().
The interest for the third repayment is RMB (), and the repayment is RMB ().
The interest of the fourth repayment is RMB (), and the repayment is RMB ().
* * * Loan repayment (plus interest) is RMB ().
(3) Which repayment method do you think is more reasonable?